🏜️ Slot Canyon Flash Flood 3D: Rainfall Runoff, Manning Flow and Kinematic Flood Wave Past a Stage Gauge and a Safe Ledge

Blender-built sinuous sandstone slot canyon with a live flood wave: set rain, catchment, slot width, slope and roughness and watch a brown bore run down the canyon past a stage gauge and a safe ledge, in orbit or first person, with four numerical checks.